


import random



# 获取该网页及后续分页下面的url地址
import requests

user_agent = [
    "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50",
    "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50",
    "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0",
    "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.3; rv:11.0) like Gecko",
    "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",
    "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)",
    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",
    "Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",
    "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11",
    "Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser)",
    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",
    "Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",
    "Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",
    "Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",
    "Mozilla/5.0 (Linux; U; Android 2.3.7; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",
    "MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",
    "Opera/9.80 (Android 2.3.4; Linux; Opera Mobi/build-1107180945; U; en-GB) Presto/2.8.149 Version/11.10",
    "Mozilla/5.0 (Linux; U; Android 3.0; en-us; Xoom Build/HRI39) AppleWebKit/534.13 (KHTML, like Gecko) Version/4.0 Safari/534.13",
    "Mozilla/5.0 (BlackBerry; U; BlackBerry 9800; en) AppleWebKit/534.1+ (KHTML, like Gecko) Version/6.0.0.337 Mobile Safari/534.1+",
    "Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0",
    "Mozilla/5.0 (SymbianOS/9.4; Series60/5.0 NokiaN97-1/20.0.019; Profile/MIDP-2.1 Configuration/CLDC-1.1) AppleWebKit/525 (KHTML, like Gecko) BrowserNG/7.1.18124",
    "Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; HTC; Titan)",
    "UCWEB7.0.2.37/28/999",
    "NOKIA5700/ UCWEB7.0.2.37/28/999",
    "Openwave/ UCWEB7.0.2.37/28/999",
    "Mozilla/4.0 (compatible; MSIE 6.0; ) Opera/UCWEB7.0.2.37/28/999",
    # iPhone 6：
    "Mozilla/6.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/8.0 Mobile/10A5376e Safari/8536.25",

]

# hd = {'User-Agent': random.choice(user_agent)}
hd = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.3; rv:11.0) like Gecko',
      'Cookie':"Ecp_ClientId=f250331175701006054; Ecp_IpLoginFail=250401116.169.1.36; SID_sug=018132; SID_kns_new=kns2618133; knsadv-searchtype=%7B%22BLZOG7CK%22%3A%22gradeSearch%2CmajorSearch%22%2C%22MPMFIG1A%22%3A%22gradeSearch%2CmajorSearch%2CsentenceSearch%22%2C%22T2VC03OH%22%3A%22gradeSearch%2CmajorSearch%22%2C%22JQIRZIYA%22%3A%22gradeSearch%2CmajorSearch%2CsentenceSearch%22%2C%22S81HNSV3%22%3A%22gradeSearch%22%2C%22YSTT4HG0%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22ML4DRIDX%22%3A%22gradeSearch%2CmajorSearch%22%2C%22WQ0UVIAA%22%3A%22gradeSearch%2CmajorSearch%22%2C%22VUDIXAIY%22%3A%22gradeSearch%2CmajorSearch%22%2C%22NN3FJMUV%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22LSTPFY1C%22%3A%22gradeSearch%2CmajorSearch%2CsentenceSearch%22%2C%22HHCPM1F8%22%3A%22gradeSearch%2CmajorSearch%22%2C%22OORPU5FE%22%3A%22gradeSearch%2CmajorSearch%22%2C%22WD0FTY92%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22BPBAFJ5S%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22EMRPGLPA%22%3A%22gradeSearch%2CmajorSearch%22%2C%22PWFIRAGL%22%3A%22gradeSearch%2CmajorSearch%2CsentenceSearch%22%2C%22U8J8LYLV%22%3A%22gradeSearch%2CmajorSearch%22%2C%22R79MZMCB%22%3A%22gradeSearch%22%2C%22J708GVCE%22%3A%22gradeSearch%2CmajorSearch%22%2C%22HR1YT1Z9%22%3A%22gradeSearch%2CmajorSearch%22%2C%22JUP3MUPD%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22NLBO1Z6R%22%3A%22gradeSearch%2CmajorSearch%22%2C%22RMJLXHZ3%22%3A%22gradeSearch%2CmajorSearch%2CsentenceSearch%22%2C%221UR4K4HZ%22%3A%22gradeSearch%2CmajorSearch%2CauthorSearch%2CsentenceSearch%22%2C%22NB3BWEHK%22%3A%22gradeSearch%2CmajorSearch%22%2C%22XVLO76FD%22%3A%22gradeSearch%2CmajorSearch%22%7D; dsortypes=DESC; dsorders=DFR; searchTimeFlags=1; SID_restapi=018133; dblang=both; tfstk=gL0ZjxiskFLaRb3wnW4VYaswO-UTVPv7mqwbijc01R2iCjwmYxDQ5fGmGZP0KAEf5Z2sLSkSFCIsh-ZcujczlZaifmPqFfD4DCebn-kjicOBPUGt6rU03LTWPojBHzkNmSbMiwV7gBNg5IfF7rUDFpTgv7iLkYU5LYHitBPbN5bmnRc3xJF4sSD0IkX3a7U0nxD0xJVz_GjgIRXHTSehorqgoJAUGAOmif5QplA2-7brP6ItP8cgLZbPwWrMWvIfzaRLCk2uxpbVuIFab8cgLL3htuZnMouAMZrqs0HYZAXM3-3EtVmoEps_I0PqNmlMSw4sWfmum4vAmfa_Qy0i4sbmTPogDqqdQpyoWX08-kTkaX0KCf3EGsY0OYwn6V42rQUaSR4U9q9dS-onmVZTkOv4H2lnSmSr4tF3RM3xbtj4jWFUFBRFzX5Keg--cKjADkYLT8OWziIYjWFUFBRFDiEHwWyWNU5..",
      'Referer': 'https://kns.cnki.net/kns8s/defaultresult/index?crossids=YSTT4HG0%2CLSTPFY1C%2CJUP3MUPD%2CMPMFIG1A%2CWQ0UVIAA%2CBLZOG7CK%2CPWFIRAGL%2CEMRPGLPA%2CNLBO1Z6R%2CNN3FJMUV&korder=SU&kw=%E4%B9%B3%E8%85%BA%E7%99%8C',
      }


# 访问网页获取网页信息
def geturl(url):
    try:
        r = requests.get(url, timeout=30, headers=hd)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ''

def geturl1(url):
    try:
        form_data = {
                        "boolSearch": "false",
                        "QueryJson": '{"Platform":"","Resource":"CROSSDB","Classid":"WD0FTY92","Products":"CJFQ,CAPJ,CJTL,CDFD,CMFD,CPFD,IPFD,CPVD,CCND,SCSF,SCHF,SCSD,SNAD,CCJD,WBFD,CCVD,CJFN","QNode":{"QGroup":[{"Key":"Subject","Title":"","Logic":0,"Items":[{"Field":"SU","Value":"乳腺癌","Operator":"TOPRANK","Logic":0,"Title":"主题"}],"ChildItems":[]}]},"ExScope":1,"SearchType":2,"Rlang":"CHINESE","KuaKuCode":"YSTT4HG0,LSTPFY1C,JUP3MUPD,MPMFIG1A,WQ0UVIAA,BLZOG7CK,PWFIRAGL,EMRPGLPA,NLBO1Z6R,NN3FJMUV","Expands":{},"SearchFrom":4}',
                        "pageNum": "3",
                        "pageSize": "20",
                        "sortField": "DFR",
                        "sortType": "desc",
                        "dstyle": "listmode",
                        "boolSortSearch": "false",
                        "productStr": "YSTT4HG0,LSTPFY1C,RMJLXHZ3,JQIRZIYA,JUP3MUPD,1UR4K4HZ,BPBAFJ5S,R79MZMCB,MPMFIG1A,WQ0UVIAA,NB3BWEHK,XVLO76FD,HR1YT1Z9,BLZOG7CK,PWFIRAGL,EMRPGLPA,J708GVCE,ML4DRIDX,NLBO1Z6R,NN3FJMUV,",
                        "searchFrom": "资源范围：总库"
                    }
        r = requests.post(url, headers=hd, data=form_data)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ''

if __name__ == '__main__':
    r = geturl(
        'https://kns.cnki.net/kcms2/article/abstract?v=bEegF8awJvwxuhY6xghcA8SogeRBPql93ek0EPfdYikj55arQ-gWsBJ-aZhTYg7Ht6g_XKyb-8TEF6ddJgBzJRqkGuQtNET0kpzOPiK1cQXCS06cov0cgga82KPVedyBLrT1BdG9Dlm1mCIvQZkC5bpzCW3CC69K_tQyXU2UKwRnGwfu23IyDU4g09FC_LGJ&amp;uniplatform=NZKPT&amp;language=CHS')
    print(r)
    # r1 = geturl1('https://kns.cnki.net/kns8s/brief/grid')
    # print(r1)
